EP0576330B1 - Neues Verfahren zur Herstellung Delta-9(11)-Steroide - Google Patents
Neues Verfahren zur Herstellung Delta-9(11)-Steroide Download PDFInfo
- Publication number
- EP0576330B1 EP0576330B1 EP93401555A EP93401555A EP0576330B1 EP 0576330 B1 EP0576330 B1 EP 0576330B1 EP 93401555 A EP93401555 A EP 93401555A EP 93401555 A EP93401555 A EP 93401555A EP 0576330 B1 EP0576330 B1 EP 0576330B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- compound
- temperature
- formula
- process according
- producing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J41/00—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring
- C07J41/0033—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring not covered by C07J41/0005
- C07J41/0094—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring not covered by C07J41/0005 containing nitrile radicals, including thiocyanide radicals
Definitions
- the present invention relates to a new process for the preparation of a steroid compound ⁇ 9 (11).
- the subject of the invention is therefore an industrial process for the preparation of the compound of formula (I): from a compound of formula (II): characterized in that the compound of formula is treated with chlorosulfonic acid in an organic solvent.
- the operation is carried out in a polar aprotic solvent chosen from the group consisting of tetrahydrofuran, dioxane and acetone, or ethyl acetate or methylene chloride, tetrahydrofuran and acetone being very particularly preferred, and the reaction is carried out first at a temperature of -20 ° to -10 ° C, preferably -15 ° C, then allowing to rise the temperature at 0 ° / + 10 ° C, preferably + 5 ° C.
- a polar aprotic solvent chosen from the group consisting of tetrahydrofuran, dioxane and acetone, or ethyl acetate or methylene chloride, tetrahydrofuran and acetone being very particularly preferred
- chlorosulfonic acid has already been used as a steroid series dehydrating agent to prepare ⁇ 9 (11) compounds from the corresponding 9 ⁇ -OH compounds (see French patent 2,387,245).
- the process of the invention derives its selectivity from the conditions under which it is carried out.
- the sulfonate is first selectively formed at an appropriate temperature, the rise in temperature then being necessary for elimination leading to the formation of the double bond ⁇ 9 (11).
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Toxicology (AREA)
- General Health & Medical Sciences (AREA)
- Steroid Compounds (AREA)
- Saccharide Compounds (AREA)
Claims (5)
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß man in einem polaren aprotischen Lösungsmittel arbeitet, gewählt aus der durch Tetrahydrofuran, Dioxan und Aceton, oder Ethylacetat oder Methylenchlorid gebildeten Gruppe.
- Verfahren nach Anspruch 2, dadurch gekennzeichnet, daß man in Tetrahydrofuran oder Aceton arbeitet.
- Verfahren nach irgendeinem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß man bei einer Temperatur von -20 °C bis -10 °C arbeitet und anschließend wieder auf eine Temperatur von 0 °C/+5 °C ansteigen läßt.
- Verfahren nach Anspruch 4, dadurch gekennzeichnet, daß man bei einer Temperatur von -15 °C arbeitet und anschließend wieder auf eine Temperatur von +5 °C ansteigen läßt.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9207460A FR2692580B1 (fr) | 1992-06-19 | 1992-06-19 | Nouveau Procédé de préparation d'un composé stéroïde DELTA9 (11). |
FR9207460 | 1992-06-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0576330A1 EP0576330A1 (de) | 1993-12-29 |
EP0576330B1 true EP0576330B1 (de) | 1995-09-27 |
Family
ID=9430926
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93401555A Expired - Lifetime EP0576330B1 (de) | 1992-06-19 | 1993-06-17 | Neues Verfahren zur Herstellung Delta-9(11)-Steroide |
Country Status (10)
Country | Link |
---|---|
US (1) | US5399727A (de) |
EP (1) | EP0576330B1 (de) |
JP (1) | JP3340514B2 (de) |
AT (1) | ATE128471T1 (de) |
CA (1) | CA2098804C (de) |
DE (1) | DE69300546T2 (de) |
DK (1) | DK0576330T3 (de) |
ES (1) | ES2077475T3 (de) |
FR (1) | FR2692580B1 (de) |
HU (1) | HU213607B (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5641765A (en) * | 1992-11-18 | 1997-06-24 | Smithkline Beecham Corporation | 17-αand 17-βsubstituted acyl-3-carboxy-3,5-dienes and use in inhibiting 5-α-reductase |
HU224216B1 (hu) | 2000-06-05 | 2005-06-28 | Csapláros László | Hidroxi-benzoesav származékok, eljárás előállításukra és ezeket tartalmazó antiplazmid hatású gyógyszerkészítmények |
EP4134373A1 (de) | 2021-08-12 | 2023-02-15 | Santhera Pharmaceuticals (Schweiz) AG | Synthese von delta-9,11-steroiden |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4127596A (en) * | 1977-04-11 | 1978-11-28 | The Upjohn Company | Non-aromatic oxygenated strong acid dehydration of 9α-hydroxyandrostenediones |
US5352809A (en) * | 1986-10-10 | 1994-10-04 | Gist-Brocades N.V. | 9-alpha-hydroxy steroids, process for their preparation, process for the preparation of the corresponding 9(11)-dehydro derivatives and pharmaceutical preparations containing such steroids |
PT87687B (pt) * | 1987-06-12 | 1992-09-30 | Gist Brocades Nv | Processo para a preparacao de esteroides de 9(11)-dehidro |
-
1992
- 1992-06-19 FR FR9207460A patent/FR2692580B1/fr not_active Expired - Fee Related
-
1993
- 1993-06-02 US US08/071,501 patent/US5399727A/en not_active Expired - Lifetime
- 1993-06-17 DE DE69300546T patent/DE69300546T2/de not_active Expired - Lifetime
- 1993-06-17 DK DK93401555.3T patent/DK0576330T3/da active
- 1993-06-17 AT AT93401555T patent/ATE128471T1/de active
- 1993-06-17 EP EP93401555A patent/EP0576330B1/de not_active Expired - Lifetime
- 1993-06-17 ES ES93401555T patent/ES2077475T3/es not_active Expired - Lifetime
- 1993-06-17 JP JP16981093A patent/JP3340514B2/ja not_active Expired - Lifetime
- 1993-06-18 HU HU9301790A patent/HU213607B/hu unknown
- 1993-06-18 CA CA002098804A patent/CA2098804C/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DK0576330T3 (da) | 1996-02-12 |
JP3340514B2 (ja) | 2002-11-05 |
EP0576330A1 (de) | 1993-12-29 |
HU213607B (en) | 1997-08-28 |
US5399727A (en) | 1995-03-21 |
FR2692580B1 (fr) | 1994-08-26 |
CA2098804C (fr) | 2003-07-29 |
HU9301790D0 (en) | 1993-09-28 |
DE69300546D1 (de) | 1995-11-02 |
JPH0656882A (ja) | 1994-03-01 |
DE69300546T2 (de) | 1996-04-11 |
FR2692580A1 (fr) | 1993-12-24 |
ATE128471T1 (de) | 1995-10-15 |
CA2098804A1 (fr) | 1993-12-20 |
ES2077475T3 (es) | 1995-11-16 |
HUT64559A (en) | 1994-01-28 |
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